Front panel
FIGHTER 1220
For Home Owners
4
Switch
with three positions 1 - 0 - :
1 Normal mode. All control functions connect-
ed.
0 Boiler completely switched off.
Standby. Only the circulation pump and
stage 2 are operational.
The switch must not be turned to 1 or “ ”
before filling the boiler with water.
Display
Power switch
Left hand
buttons
Offset heating
curve
Display
First row:
Compressor symbol.
Indicates when the compressor is opera-
tional.
Additional symbol
Indicates when immersion heater is con-
nected. The line indicates which power
step/steps are currently connected.
I 2 kW additional power is connected
II 4 kW additional power is connected
I II 6 kW additional power is connected.
Layout
B
A
C
D
Right hand
buttons
Extra hot water symbol.
Indicates when the Extra hot water function
is active.
A is shown when temperature increase is
active.
B is shown when a time based temperature
increase is activated, for example. periodic.
Circulation pump symbol.
I Shown when the circulation pump is
operational.
II Shown when circulation pump 2 is oper-
ational (accessory, extra shunt group
required).
Heating system symbols.
Shown when house heating is in progress.
E
B
Explanation
A